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BOSTON MARATHON 2023

Erin Dillon

Bib: 16638•F

AR

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:08
Rank: #12079
Start → 5K
24:08 | 7:46/mi
10K· 6.21 mi
48:03
Rank: #12132 (-53)
5K → 10K
23:55 | 7:42/mi
15K· 9.32 mi
1:12:21
Rank: #12340 (-208)
10K → 15K
24:18 | 7:49/mi
20K· 12.43 mi
1:36:47
Rank: #12295 (+45)
15K → 20K
24:26 | 7:52/mi
Half· 13.11 mi
1:42:09
Rank: #12342 (-47)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:01:26
Rank: #12332 (+10)
Half → 25K
19:17 | 7:57/mi
30K· 18.64 mi
2:27:00
Rank: #12358 (-26)
25K → 30K
25:34 | 8:14/mi
20M
2:38:39
Rank: #12487 (-129)
30K → 20M
11:39 | 8:34/mi
21M
2:47:38
Rank: #12510 (-23)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
2:54:00
Rank: #12639 (-129)
21M → 35K
6:22 | 8:31/mi
23M
3:04:57
Rank: #12776 (-137)
35K → 23M
10:57 | 8:45/mi
24M
3:13:37
Rank: #12895 (-119)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:21:09
Rank: #12975 (-80)
24M → 40K
7:32 | 8:49/mi
25.2M
3:24:21
Rank: #12982 (-7)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:33:09
Rank: #13100 (-118)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:09
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:51:00
Pace8:28 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2424:087:4624:08
7:46
-
10K
6.21 mi11:38:1948:037:4423:55
7:42
-0:04
15K
9.32 mi12:02:371:12:217:4624:18
7:49
+0:07
20K
12.43 mi12:27:031:36:477:4724:26
7:52
+0:03
Half
13.11 mi12:32:251:42:097:485:22
7:52
0:00
25K
15.53 mi12:51:422:01:267:4919:17
7:57
+0:05
30K
18.64 mi13:17:162:27:007:5325:34
8:14
+0:17
20M
20.00 mi13:28:552:38:397:5611:39
8:34
+0:20
21M
21.00 mi13:37:542:47:387:598:59
8:59
+0:25
35K
21.75 mi13:44:162:54:008:006:22
8:31
-0:28
23M
23.00 mi13:55:133:04:578:0210:57
8:45
+0:14
24M
24.00 mi14:03:533:13:378:048:40
8:40
-0:05
40K
24.85 mi14:11:253:21:098:067:32
8:49
+0:09
25.2M
25.20 mi14:14:373:24:218:073:12
9:17
+0:28
Finish
26.22 mi14:23:253:33:098:088:48
8:38
-0:39

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:42 /mi

Average Pace

8:08 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:00

69% of race

Time at Steady Pace

46:26

22% of race

Time at Slower Pace

19:43

9% of race

Average Pace: 8:08 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:14:2424:087:4624:08
7:46
#12079
10K
6.21 mi11:38:1948:037:4423:55
7:42
#12132
15K
9.32 mi12:02:371:12:217:4624:18
7:49
#12340
20K
12.43 mi12:27:031:36:477:4724:26
7:52
#12295
Half
13.11 mi12:32:251:42:097:485:22
7:52
#12342
25K
15.53 mi12:51:422:01:267:4919:17
7:57
#12332
30K
18.64 mi13:17:162:27:007:5325:34
8:14
#12358
20M
20.00 mi13:28:552:38:397:5611:39
8:34
#12487
21M
21.00 mi13:37:542:47:387:598:59
8:59
#12510
35K
21.75 mi13:44:162:54:008:006:22
8:31
#12639
23M
23.00 mi13:55:133:04:578:0210:57
8:45
#12776
24M
24.00 mi14:03:533:13:378:048:40
8:40
#12895
40K
24.85 mi14:11:253:21:098:067:32
8:49
#12975
25.2M
25.20 mi14:14:373:24:218:073:12
9:17
#12982
Finish
26.22 mi14:23:253:33:098:088:48
8:38
#13100
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi120792917291712921(Top 49%)3428(Top 30%)3428(Top 70%)
10K6.21 mi3.10 mi12132-532936-192936-1912239(Top 46%)3008(Top 26%)3008(Top 62%)
15K9.32 mi3.11 mi12340-2083088-1523088-15212921(Top 49%)3428(Top 30%)3428(Top 70%)
20K12.43 mi3.11 mi12295+453091-33091-312304(Top 46%)3141(Top 27%)3141(Top 64%)
Half13.11 mi0.68 mi12342-473114-233114-2313378(Top 50%)3727(Top 33%)3727(Top 76%)
25K15.53 mi2.42 mi12332+103134-203134-2012364(Top 46%)3292(Top 29%)3292(Top 67%)
30K18.64 mi3.11 mi12358-263181-473181-4712544(Top 47%)3490(Top 31%)3490(Top 71%)
20M20.00 mi1.36 mi12487-1293261-803261-8014080(Top 53%)4452(Top 39%)4452(Top 91%)
21M21.00 mi1.00 mi12510-233308-473308-4713337(Top 50%)4124(Top 36%)4124(Top 84%)
35K21.75 mi0.75 mi12639-1293390-823390-8215387(Top 58%)5332(Top 47%)5332(Top 109%)
23M23.00 mi1.25 mi12776-1373495-1053495-10514676(Top 55%)4989(Top 44%)4989(Top 102%)
24M24.00 mi1.00 mi12895-1193589-943589-9415465(Top 58%)5505(Top 48%)5505(Top 113%)
40K24.85 mi0.85 mi12975-803662-733662-7315137(Top 57%)5367(Top 47%)5367(Top 110%)
25.2M25.20 mi0.35 mi12982-73673-113673-1114115(Top 53%)4799(Top 42%)4799(Top 98%)
Finish26.22 mi1.02 mi13100-1183757-843757-8416172(Top 61%)5914(Top 52%)5914(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12921

Females

3428

F18-39

3428

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

12239

Females

3008

F18-39

3008

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12921

Females

3428

F18-39

3428

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12304

Females

3141

F18-39

3141

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13378

Females

3727

F18-39

3727

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12364

Females

3292

F18-39

3292

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

12544

Females

3490

F18-39

3490

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14080

Females

4452

F18-39

4452

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13337

Females

4124

F18-39

4124

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15387

Females

5332

F18-39

5332

35K→23M

21.8 - 23.0 mi

Top 55%
×5stories
+23ft-63ft

Overall

14676

Females

4989

F18-39

4989

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15465

Females

5505

F18-39

5505

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15137

Females

5367

F18-39

5367

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14115

Females

4799

F18-39

4799

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16172

Females

5914

F18-39

5914

Passing Analysis

Category:
Athletes Passed
1288
Passed By
2309
Net Change
-1021
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12079
5K → 10K269322-53#12079#12132
10K → 15K120328-208#12132#12340
15K → 20K191146+45#12340#12295
20K → Half1461-47#12295#12342
Half → 25K128118+10#12342#12332
25K → 30K204230-26#12332#12358
30K → 20M68197-129#12358#12487
20M → 21M86109-23#12487#12510
21M → 35K19148-129#12510#12639
35K → 23M50187-137#12639#12776
23M → 24M41160-119#12776#12895
24M → 40K45125-80#12895#12975
40K → 25.2M2633-7#12975#12982
25.2M → Finish27145-118#12982#13100
TOTALS12882309-1021
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing